Scientists spent the first weeks of the year on an expedition to Antarctica to study Thwaites Glacier, which is melting at an ...

Physical inactivity rises alongside temperature. A study in Lancet projected up to 700,000 additional deaths by 2050 and ...

The Los Angeles native wants to fight smog—and make the city a leader in a green-tech revolution at the same time.

European Union officials say they have offered money and technical help to Ukraine to fix a key oil pipeline to central Europe. They hope that will persuade Hungary to drop ...